b'MK2 LOWERSMSRP: $219.95FEATURES: Machined from Custom Forged 7075-T6 Aluminum, Ambidextrous Mag Release & Bolt Catch and Release Controls, Hardcoat Type 3 Anodized Black Finish, Mil-Spec Fire Control Pocket, 60 Magazine Well for Consistent Re-loads, Premium In-Machine De-Burring & De-Flashing, Integrated Trigger Guard, Right Side Bolt Catch & Release, Left Side Bolt Catch & Release, Left Side Magazine Release165'